* Test multiple relation with custom key.
*/
@Test
public void testMultipleRelationWithCustomKey()
{
CustomKeyChild child1 = new CustomKeyChild();
child1.key = "child1";
child1.name = "Child One";
child1.save();
HashMap<String, String[]> params = new HashMap<String, String[]>();
params.put("parent.customKeyChildren.key", new String[] { "child1" });
Parent parent = new Parent();
parent = parent.edit("parent", params);